137272245 has 32 divisors (see below), whose sum is σ = 252218880. Its totient is φ = 63051840.

The previous prime is 137272241. The next prime is 137272259. The reversal of 137272245 is 542272731.

It is not a de Polignac number, because 137272245 - 2² = 137272241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137272241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18759 + ... + 25028.

It is an arithmetic number, because the mean of its divisors is an integer number (7881840).

Almost surely, 2^137272245 is an apocalyptic number.

137272245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137272245 is a deficient number, since it is larger than the sum of its proper divisors (114946635).

137272245 is a wasteful number, since it uses less digits than its factorization.

137272245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43825.

The product of its digits is 23520, while the sum is 33.

The square root of 137272245 is about 11716.3238688592. The cubic root of 137272245 is about 515.8549221068.

The spelling of 137272245 in words is "one hundred thirty-seven million, two hundred seventy-two thousand, two hundred forty-five".